Traction attachment for drive-wheels.



N0. 828,748. PATENTED AUG. 14, 1906. W. A. KLINGBERG. TRACTION ATTACHMENT FOR DRIVE WHEELS.

APPLICATION FILED DEC. 30. 1905.

nvenfoz UNITED PATENT orrron.

TFSAQTUQN ATTACHMENT EFQR DPSEVEE WHEELS.

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Specification of Letters Patent.

Patented Aug. 1%,, 1906.

v Application filed December 30,1905. Serial No. 293,976.

To all whom itmay concern.-

Be it known that 1, WILLIAM A. KLING- BERG, a citizen of the United States, residing at Elmo, in the county of Dickinson an State of Kansas, have and useful Improvements tachments' for Drive-Wheels, following is a specification.

Thisinvention has for its object chiefly to provide a band to be fitted to the rim or tire of a mechanicallyropelled vehicle to obviate slip 'ing, as wel as increase the tread-surface, t ereby preventin sinking of wheel into the ground in t e event of the machine being propelled over a gielding surface, such as wet and soggy roun ,A further purpose 0 the invention is the provision of a device which may be readily applied to the traction or drive wheel of a mechanically-propelled vehicle or removed therefrom, as occasion may demand, and which when not required for immediate service may be folded into compact form, so as to occupy a minimum amount of space and not be in the way, and which may be convenientl stored upon the vehicle, so as to be readily accessible and at hand for use should the exigencies of the case demand the application of the appliance.

- The invention consists, essentially, of a band composed of sections or links connecte in a way to admit of the band being readily folded into a small com ass, the sections or links'being provided wit spurs, cogs, or projections to enter the surface to a depth to insure positive rotation of the wheel and prevent slipping thereof when theattachment is properly fitted thereto.

For a full description of theinvention and the merits thereof and also to acquire a knowledge of the details of "construction of the means for efiec'ting the result reference is invented certain new in Traction Atof which the Q to be had to the following description and actransverse section. of the rim.

companying drawings.

While the invention may be adapted to different forms and conditions by changes in the structure and minor details without de arting from the spirit or essential features t ereof, still the preferred embodiment is shown in the accompanying drawings, in which- Figure 1 is a side view of a drive-wheel equipped with a traction-band constructed in accordance with the invention. Fig. 2 is a ortion of the wheel and attachment on the me a: a; of Fig.

1, the parts being illustrated one larger the scale. Fig. 3 is a detail pers ective view of a portion of the traction ban or attachment.

ig. 4 is a detail view of a modification.

Corresponding and like arts are referred to in the followin description and indicated in all the views 0 the drawings by the same reference characters. 1

The attachment is provided in the shape of a band which is composed of sections or links pivotally connected in-any way to admit of the band being folded into a compact form, so as to be conveniently stored upon the machine, engine,or vehicle, so as to be out of the way. The sections or links are curved to conform to the circumference of the wheel for which the attachment is designed. There ma be as many sectionsor links in the band as ound most advantageous in manufacture and use.

The terminal sections of the band have their outer ends flanges or projecting parts 1, which are apertured to receive bolts or like fastenings 2, means of which the extremities of the band are united and drawn together to cause said band to conform to and snugly embrace the tire or tread portion of the Wheel 3 to which the attachment may be applied.

The sections or links 4, comprising the band or attachment, are preferably longituprovided with oifstanding dinally curved and are provided 111 number sufiicient to enclrcle the tire or rim of the Wheel with the exce tion of a slight space between the termina sections to provide for proper tightening of the band when applied to the wheel so as to obviate slipping of the attachment thereon. The links or sections are jointed, as shown at 5, any suitable means being emplo ed for connecting the parts to admit of t eir free articulation, so as to enable the band to be reduced to a compact form when not required for imme diate use. side of a section or link to extend along the side of the rim or tire of the Wheel 3 to revent lateral displacement of said tire w on in osition, the flanges 6 being spaced apart a istance correspondingto the transverse width of the tire or rim of the traction or other wheel to which the attachment may be applied. One or more spurs, co s, or projections tion or link and constitute teeth to penethe wheel when passing over wet, so

meadow land or over a muddy roa "The 7 project outward from eac secbase of the teeth or'projections mately of rectangular form, and said teeth slope equally from opposite ends and sides to an edge, which latter readily penetrates the surface, thereby offering a minimum amount of resistance to the rotation of the wheel. The peculiar form of the teeth results in a substantial structure and enables the said teeth to resist great strain and becoming detached from the band or becoming otherwise disabled when meeting with stones or other hard and unyielding objects or surface. The teeth or projections of the band designed to be applied to the driving-wheels have a transverse arrangement, whereas the teeth applied to the pilot or steering wheels are disposed inthe plane of the wheel or is approxilength of the band so as to obviate lateral displacement or skidding of the machine when assing around a curve at a comparatively high rate of speed.

It is to he understood that the bands are provided in different lengths and widths according todiflerent. diameters of Wheels and according to the nature of the surface over which the machine or vehicl'eiis to be propelled. In this connection it is to be understood that bands of uniform length may be provided in difierent widths,so as to increase the transverse extent of the drive-wheel, and thereby prevent sinking of the same into a muddy or other'soft surface.

The longitudinal flanges 6, in addition to preventing lateral displacement of the sec tions when the band is fitted upon a wheel, also rovid'e stiffening means for the sections and being apertured to receive the pivot-fastening 5 sustain the circumferential strain when the band is drawn about the wheel by means of the fastenings 2. The sections are of like formation and 'are interchangeable and are preferably rigid, the curvature-conforming to a section of a circle corres 0nding to a wheel of given or standar size. Should'any section become unfitted for further effective service from any cause, it may be readily re laced from stock. Hence the a'dvanta e 0 having all of the sections of a. band of like size and corresponding construcis claimed as new i's -A traction-band for vehicle wheels, the

same composed of sections of like formation and size, each section being longitudinally curved and provided with outer teeth upon its tread and having flanges at its longitudinal edgesto braceandstrengthen the section and to embrace o posite sides of the tire of the wheel to whic the attachment is fitted, said longitudinal flanges being apertured near their ends to receive pivotfastenings, the terminal sections of the band having outwardly-extended flanges which are apertured to receive fastenings for securing the band and tightening the same about the wheel to which it may be fitted.

In testimony whereof I afiixmy signature in presence of two witnesses;

WILLIAM A. KLINGBERG. [11. s.]' 

